Survey of research in economic V.1 methods and techniques

Antzeko izenburuak

• Survey of research in economics .V.7
  nork: Indian Council of, Social science
  Argitaratua: (1978)
• Survey research methods V. 1
  nork: Fowler, Floyd J
  Argitaratua: (1993)
• Research in economic and social history
  nork: Social Science Research Council
  Argitaratua: (1971)
• Survey research methods
  nork: Fowler, Floyd J
  Argitaratua: (1993)
• Research Methodology:Methods and Techniques
  nork: Kothari,C.R
  Argitaratua: (2014)